Take a look through the profiles of the people who’ve been a part of the National Museum of Natural History for the past 100 years to get a glimpse behind the scenes. These employees and contributors have helped create exhibits, lead expeditions, and offer all sorts of expertise to enrich the visitor experience at the Natural History museum. Below we’ve picked out a few of the people profiled on the site, and encourage you to peruse the Celebrating 100 Years section on your own.

Theodore RooseveltFollowing the completion of his presidential term in 1909, Theodore Roosevelt embarked on an expedition to Africa that was co-sponsored by the Smithsonian. He was accompanied by his son Kermit, who acted as the expedition’s official photographer, Dr. Edgar A. Mearns, a surgeon and field naturalist, two zoologists, J. Alden Loring and Edmund Heller, and photographer and filmmaker Cherry Keaton. The group collected thousands of specimens for the museum. Watch two films from the trip, one that features the Zulu people and Roosevelt at camp, and another showing a stream crossing....